Alert archive / Maryland / Severe Thunderstorm Warnings / 2025

Severe Thunderstorm Warnings in Maryland, May 2025

68 severe thunderstorm warnings in May 2025. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in May 2025. Tap one for its archive.

Severe Thunderstorm Warnings: 68
Busiest day: May 16, 202524 severe thunderstorm warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Counties	Lasted
May 1, 3:48 PM EDT	Severe Thunderstorm Warning	LWX	Allegany, Garrett	42 min
May 1, 4:05 PM EDT	Severe Thunderstorm Warning	LWX	Allegany	25 min
May 1, 4:27 PM EDT	Severe Thunderstorm Warning	LWX	Allegany, Washington	48 min
May 1, 5:13 PM EDT	Severe Thunderstorm Warning	LWX	Allegany	47 min
May 1, 6:39 PM EDT	Severe Thunderstorm Warning	LWX	Allegany, Washington	26 min
May 3, 3:27 PM EDT	Severe Thunderstorm Warning	LWX	Carroll, Frederick, Howard, Montgomery	48 min
May 3, 3:58 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Howard, Montgomery	47 min
May 3, 4:33 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Carroll, Harford, City of Baltimore	42 min
May 3, 4:54 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Washington	51 min
May 3, 5:04 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Harford	41 min
May 3, 5:39 PM EDT	Severe Thunderstorm Warning	LWX	Carroll, Frederick, Washington	66 min
May 3, 5:41 PM EDT	Severe Thunderstorm Warning	LWX	Cecil, Harford	64 min
May 5, 5:44 PM EDT	Severe Thunderstorm Warning	LWX	Charles	46 min
May 5, 5:52 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Washington	23 min
May 5, 6:20 PM EDT	Severe Thunderstorm Warning	LWX	Frederick	25 min
May 5, 6:20 PM EDT	Severe Thunderstorm Warning	LWX	Charles	25 min
May 5, 6:27 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Prince George's	48 min
May 5, 7:19 PM EDT	Severe Thunderstorm Warning	LWX	Frederick	26 min
May 9, 1:46 AM EDT	Severe Thunderstorm Warning	AKQ	Somerset, Wicomico, Worcester	44 min
May 9, 2:22 AM EDT	Severe Thunderstorm Warning	AKQ	Worcester	23 min
May 16, 2:32 PM EDT	Severe Thunderstorm Warning	LWX	Allegany, Garrett	58 min
May 16, 2:37 PM EDT	Severe Thunderstorm Warning	AKQ	Worcester	53 min
May 16, 3:24 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Montgomery	36 min
May 16, 3:33 PM EDT	Severe Thunderstorm Warning	LWX	Allegany	27 min
May 16, 3:53 PM EDT	Severe Thunderstorm Warning	LWX	Allegany, Washington	52 min
May 16, 3:58 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	47 min
May 16, 4:00 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Montgomery	32 min
May 16, 4:21 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Montgomery	24 min
May 16, 4:30 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Montgomery	45 min
May 16, 4:34 PM EDT	Severe Thunderstorm Warning	LWX	Carroll, Frederick, Howard, Montgomery, Washington	41 min
May 16, 4:38 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery, Prince George's	37 min
May 16, 5:10 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Prince George's	35 min
May 16, 5:12 PM EDT	Severe Thunderstorm Warning Considerable damage threat	LWX	Anne Arundel, Baltimore, Carroll, Cecil, Frederick, Harford and 3 more	63 min
May 16, 5:14 PM EDT	Severe Thunderstorm Warning Considerable damage threat	LWX	Anne Arundel, Baltimore, Frederick, Howard, Montgomery, Prince George's and 1 more	63 min
May 16, 5:19 PM EDT	Severe Thunderstorm Warning Destructive damage threat	LWX	Montgomery	26 min
May 16, 5:27 PM EDT	Severe Thunderstorm Warning Destructive damage threat	LWX	Baltimore, Carroll	33 min
May 16, 5:40 PM EDT	Severe Thunderstorm Warning Considerable damage threat	LWX	Anne Arundel, Calvert, Charles, Prince George's	50 min
May 16, 5:40 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's, Talbot	50 min
May 16, 5:43 PM EDT	Severe Thunderstorm Warning	LWX	Calvert, Charles, Prince George's, Saint Mary's	47 min
May 16, 5:51 PM EDT	Severe Thunderstorm Warning Considerable damage threat	LWX	Baltimore, Cecil, Harford, City of Baltimore	54 min
May 16, 6:04 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Caroline, Kent, Queen Anne's, Talbot	56 min
May 16, 6:08 PM EDT	Severe Thunderstorm Warning Considerable damage threat	AKQ	Dorchester, Somerset, Wicomico	52 min
May 16, 6:11 PM EDT	Severe Thunderstorm Warning Destructive damage threat	PHI	Caroline, Kent, Queen Anne's, Talbot	64 min
May 16, 6:52 PM EDT	Severe Thunderstorm Warning Considerable damage threat	AKQ	Dorchester, Somerset, Wicomico, Worcester	48 min
May 17, 1:34 AM EDT	Severe Thunderstorm Warning	LWX	Allegany, Garrett	26 min
May 22, 4:06 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Calvert, Prince George's	22 min
May 22, 4:19 PM EDT	Severe Thunderstorm Warning	PHI	Talbot	41 min
May 22, 6:50 PM EDT	Severe Thunderstorm Warning	LWX	Saint Mary's	14 min
May 22, 7:30 PM EDT	Severe Thunderstorm Warning	AKQ	Somerset, Worcester	30 min
May 30, 6:47 PM EDT	Severe Thunderstorm Warning	LWX	Charles, Prince George's	32 min
May 30, 6:47 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Howard, Montgomery, Prince George's	43 min
May 30, 7:05 PM EDT	Severe Thunderstorm Warning	LWX	Allegany, Washington	55 min
May 30, 7:28 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Montgomery, Washington	47 min
May 30, 8:01 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Washington	29 min
May 30, 8:03 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Prince George's	27 min
May 30, 10:26 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Queen Anne's	49 min
May 30, 10:29 PM EDT	Severe Thunderstorm Warning	LWX	Cecil	46 min
May 31, 1:17 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's, Talbot	43 min
May 31, 1:23 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Calvert, Prince George's	22 min
May 31, 1:30 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Talbot	45 min
May 31, 1:42 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Talbot	48 min
May 31, 2:00 PM EDT	Severe Thunderstorm Warning	PHI	Caroline	45 min
May 31, 2:24 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	36 min
May 31, 3:04 PM EDT	Severe Thunderstorm Warning	AKQ	Wicomico, Worcester	26 min
May 31, 3:17 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Prince George's	28 min
May 31, 3:41 PM EDT	Severe Thunderstorm Warning	AKQ	Somerset	34 min
May 31, 3:56 PM EDT	Severe Thunderstorm Warning	AKQ	Somerset, Worcester	34 min
May 31, 4:16 PM EDT	Severe Thunderstorm Warning	AKQ	Worcester	29 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force now Tornadoes on record The radar archive 2024 2026

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.